html, iframe{
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/**
Header样式
*/
.header {
    position: absolute;
    background-color: #23252c;
    width: 100%;
    height: 12%;
    z-index: 1;
}

.header #logoNav {
    height: 65px;
}

.header #logoNav .logo {
    line-height: 65px;
    font-size: 20px;
    float: left;
    font-weight: 600;
    font-family: 微软雅黑;
    color: #fff;
}

.header #logoNav li a {
    color: #fff;
}

.header #logoNav li a:hover {
    color: #fff;
}

.header #contentNav {
    background-color: #474747;
}

.header #contentNav li a {
    padding: 5px 10px;
    line-height: 28px;
    vertical-align: middle;
    color: #fff;
    background-color: #474747;
}

.header #contentNav li a:hover{
    color: #fff;
    background-color: #242844;
}

#headTime{
    float: right;
    color: #fff;
    font-size: 16px;
    line-height: 65px;
    margin-right: 25px;
}

#logout {
    float: right;
    color: #fff;
    font-size: 16px;
    line-height: 65px;
    margin-right: 25px;
}

.content {
    position: absolute;
    top: 12%;
    height: 83%;
    width: 100%;
    box-sizing: border-box;
    color: #fff;
    background-color:  #31333a;
}

.footer {
    position: absolute;
    background-color:  #23252c;
    width: 100%;
    height: 5%;
    top : 95%;
    z-index: 3;
    text-align: center;
}

